190 Tachinidae. 



Female. I have not seen the female; after Bottcher it has the 

 frons not qiiite as broad as the eye. The somewhat narrow, mainly 

 medio-ventral genital spht has in posterior part long but not dense 

 bristles. 



Length 13 mm (after Bottcher 7 — 14 mm). 



S. teretirostris is rare in Denmark, only one specimen, a male, 

 has been taken at Skanderborg on '"j^ 1926 (the author). 



Geographical distribution: — Europe down into Spain and 

 Italy and in North Africa; towards the north to southern Sweden 

 (Ringdahl). It is recorded to prefer mountains. 



15. S. tuberosa Pand. 



1896. Pand. Eev. Entom. XV, 192, 32. — 1907. Villen. Ann. Soc. Ent. de 

 Fr. LXXVI, 396. — 1907. Kat. palåarkt. Dipt. III, 492. — 1911. Kram. 

 Abhandl. Nat. Gesell. Gorlitz, 27, 28, Tab. I, Fig. 9. — 1912. Bottch. Deutsch. 

 Ent. Zeitschr. 735, Fig. 29. -^ 1924. Stein, Arch. f. Naturgesch. 90, 6, 199. — 

 S. ambigua Kram. 1905. Zeitschr. Hymn. Dipt. V, 331, 3, Fig. III et 1906. 1. c. 

 VI, 216. — Var. exuherans Pand. 1896. 1. c. XV, 186, 22. — 1907. Villen. 1. c. 

 395. — 1912. Bottch. 1. c. 735. — Var. harpax Pand. 1896. 1. c. 189, 27. — 1907. 

 Villen. 1. c. 396. — 1912. Bottch. 1. c. 735. 



Male. Frons two thirds as broad as the eye or more ; orbits more 

 than half as broad as the frontal stripe. Orbits and face silvery 

 whitish or slightly yellowish, a little brownish reflecting; jowls grey; 

 frontal stripe black. No outer vertical bristles. Bristles on cheeks 

 medium strong. Jowls black-haired. Occiput grey, with two distinct 



rows of black bristles behind the postocular 



bristles, and with white hairs on middle part 



and below. Antennæ with third joint about 



twice as long as second, reaching just below 



the lower margin of the eye. Palpi black. 



Thorax grey pruinose, the middle stripe a 



little narrower than the lateral; four post- 



sutural dorsocentrals, the two anterior weak ; 



a pair of præscutellar acrostichals ; a præ- 



sutural intraalar bristle. Scutellum with 



crossing apical bristles. Abdomen grey with 



'^'^ ^\/ usual black tessellations ; third segment with- 



Fig. 53. S. tuberosa. out bristles. Fourth sternite with short, de- 



cumbent hairs. Fifth sternite without brush, 



with long marginal bristles. Præhypopygial segment greyish pruinose, 



without marginal bristles. Hypopygium black, densely haired; upper 



